223048530 has 48 divisors (see below), whose sum is σ = 583853400. Its totient is φ = 59076864.

The previous prime is 223048523. The next prime is 223048537. The reversal of 223048530 is 35840322.

It is an interprime number because it is at equal distance from previous prime (223048523) and next prime (223048537).

It can be written as a sum of positive squares in 4 ways, for example, as 90269001 + 132779529 = 9501^2 + 11523^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 223048494 and 223048503.

It is not an unprimeable number, because it can be changed into a prime (223048537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5094 + ... + 21726.

Almost surely, 2^223048530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223048530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291926700).

223048530 is an abundant number, since it is smaller than the sum of its proper divisors (360804870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223048530 is a wasteful number, since it uses less digits than its factorization.

223048530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16795 (or 16792 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 223048530 is about 14934.8093392584. The cubic root of 223048530 is about 606.4566861080.

Adding to 223048530 its reverse (35840322), we get a palindrome (258888852).

The spelling of 223048530 in words is "two hundred twenty-three million, forty-eight thousand, five hundred thirty".